CN202326883U - Steering hydro-pneumatic spring - Google Patents
Steering hydro-pneumatic spring Download PDFInfo
- Publication number
- CN202326883U CN202326883U CN2011204348735U CN201120434873U CN202326883U CN 202326883 U CN202326883 U CN 202326883U CN 2011204348735 U CN2011204348735 U CN 2011204348735U CN 201120434873 U CN201120434873 U CN 201120434873U CN 202326883 U CN202326883 U CN 202326883U
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- cylinder barrel
- piston
- piston rod
- steering
- cylinder
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Abstract
The utility model relates to hydro-pneumatic springs for vehicle suspensions, in particular to a steering hydro-pneumatic spring, which comprises an oil inlet port, a steering arm, a guide cylinder, a piston rod cover, a piston, a cylinder barrel guider, a cylinder barrel, a spline shaft, a cylinder barrel bottom cover and a limit block. The oil inlet port is arranged at the upper end of the piston rod cover, the steering arm is connected onto the piston rod cover through a spline, the piston rod cover is fixedly welded at the upper end of the piston, the spline shaft is connected with the piston through a spline and simultaneously connected with the cylinder barrel bottom cover through a spline, the cylinder barrel with the cylinder barrel guider is connected with the cylinder barrel bottom cover through threads, and the guide cylinder with a connecting base and the cylinder barrel with the cylinder barrel guider form a guide mechanism. The guide cylinder with the connecting base is fixedly connected with a vehicle frame A2, up-and-down bounce of a wheel A8 has no interference on the movement of the steering arm, the cylinder barrel bottom cover is connected with the wheel A8, torque generated by the steering arm is transmitted to the cylinder barrel bottom cover through the piston rod cover, the piston and the spline shaft 8, and therefore steering of the wheel A8 is achieved.
Description
Technical field
The present invention relates to the hydro-pneumatic spring that vehicle suspension is used, but a kind of specifically steering oil air spring, and it is suitable on full-sized cars such as offroad vehicle, engineering automobiles, using.
Background technique
The hydro-pneumatic spring that common vehicle uses has elasticity and damping function, also possibly have the highly function of control simultaneously.Usually need establish guidance system in addition and realize relative movement correct between wheel and vehicle body.
The hydro-pneumatic spring that is installed on deflecting roller is for realizing the necessary independent installation steering system of wheel steering, and this usually brings complex structure, difficult arrangement, problems such as manufacture cost rising.More at some deflecting rollers, wheelbase is than in the long vehicle, and this layout possibly realized hardly.Simultaneously, the installation steering system also can produce negative influence to the design of vehicle bearing space; The general vehicle that steering system is installed is when wheel hop, and the steering system part is beated thereupon, causes interference, thereby forms the bad phenomenon of additional steering angle.
Summary of the invention
The objective of the invention is to provide a kind of effect, also can possess the highly effect of control, will turn to transmission of torque to give tire, realize the hydro-pneumatic spring of wheel steering through steering arm or other executive component with elasticity, damping and guiding.
The purpose of the utility model is to realize like this; This hydro-pneumatic spring comprises oil-feed interface, steering arm, guide cylinder, piston rod cap, piston, cylinder barrel guider, cylinder barrel, splined shaft, cylinder barrel bottom, limiting stopper, and described oil-feed interface is arranged on the upper end of piston rod cap, and steering arm is connected on the piston rod cap through spline; The piston rod cap welding is connected in the upper end of piston; Splined shaft is connected with piston through spline, is connected with the cylinder barrel bottom through spline simultaneously, and the cylinder barrel that has the cylinder barrel guider is connected through screw thread with the cylinder barrel bottom; The guide cylinder that has connecting base is formed guide mechanism with the cylinder barrel that has the cylinder barrel guider; The guide cylinder that has connecting base is connected with vehicle frame A2 mutually, and the bob of wheel A8 does not have interference to the motion of steering arm, and the cylinder barrel bottom links to each other with wheel A8; The torque that steering arm produces passes to the cylinder barrel bottom through piston rod cap, piston and splined shaft 8, thereby realizes turning to of wheel A8.
Described steering arm promotes piston rod cap and piston, gives the cylinder barrel bottom through splined shaft with transmission of torque, thereby forms wheel steering system; Steering arm and guide cylinder relative position non-displacement change, and guarantee that the bob of wheel A8 does not have interference to the motion of steering arm; Guide cylinder and cylinder barrel are formed guide mechanism.
Described replacement steering arm forms and turns to other executive component of torque can adopt oil hydraulic motor or actuating motor etc.
Can adopt wear-resistant gasket or thrust-bearing to realize the anti-attrition function between described piston rod cap and the guide cylinder.
Form a cavity A between described piston rod cap, piston and the splined shaft, form another cavity B between piston, splined shaft and the cylinder barrel, cavity A communicates through a plurality of oilhole c that are located at piston crown with cavity B and forms airtight oil pocket.
The present invention is owing to adopt said structure to have the following advantages and good effect:
1, the present invention will turn to torque to pass to tire via piston rod cap, piston, splined shaft and cylinder barrel bottom with steering arm or other executive component (like oil hydraulic motor, actuating motor etc.) of wheel hop above that and not through setting, realize wheel steering; Simultaneously, wherein the hydro-pneumatic spring of integrated setting makes its effect with elasticity, damping and guiding, also can possess the highly effect of control.
2, compact structure of the present invention, simple, the integrated modular design is easy to layout, wide adaptability, is applicable to that compound suspension also is applicable to the vehicle of pure hydro pneumatic suspension.
Description of drawings
But Fig. 1 is a steering oil air spring overall structure schematic representation.
Fig. 2 is the another kind of mode of execution structural representation that adopts thrust-bearing between piston rod cap of the present invention and the guide cylinder.
Fig. 3 is that the present invention adopts other executive component oil hydraulic motor of replacement steering arm or another mode of execution structural representation of actuating motor.
Fig. 4 is equipped with the user mode reference drawing of suspension application of the present invention in vehicle.
Embodiment
As shown in Figure 1; But should comprise oil-feed interface 1, steering arm 2, guide cylinder 3, piston rod cap 4, piston 5, cylinder barrel guider 6, cylinder barrel 7, splined shaft 8, cylinder barrel bottom 9, limiting stopper 10, cylinder barrel seal ring 11, splined shaft seal ring 12, piston packing 13, cylinder barrel guider seal ring 14, wear-resistant gasket 15 by the steering oil air spring; Described splined shaft 8 is connected with piston 5 through spline, is connected with cylinder barrel bottom 9 through spline simultaneously; Piston rod cap 4 lower ends and piston 5 are connected through welding, and the upper end is connected with steering arm 2 through spline, and so structure can be directly passed to cylinder barrel bottom 9 with the steering torque that steering arm 2 produces.Cylinder barrel bottom 9 links to each other with tire, can realize tyre revolution to, do not need the peripheral hardware steering system, slot milling maximizing vehicle bearing space; Integrated design makes suspension frame structure simple, and cost reduces, and in vehicle, arranges easily.
Described steering arm 2 is connected with piston rod cap 4 through spline, and the mode through welding between piston rod cap 4 lower ends and the piston 5 is connected, and makes internal piston form a cavity A.Piston rod cap 4 upper ends are provided with oil-feed interface 1, and the internal piston cavity is communicated with external oil circuit.Cylinder barrel 7 and cylinder barrel bottom 9 are connected through screw thread; Adopt 11 sealings of cylinder barrel seal ring; The head of piston 5 is equipped with piston packing 13 and forms another cavity B with cylinder barrel 7; Cavity A communicates through a plurality of oilhole c that are located at piston 5 heads with cavity B and forms airtight oil pocket, and linking to each other with accumulator A5 through oil-feed interface 1 and outside oil circuit constitutes hydro-pneumatic spring.Be provided with wear-resistant gasket 15 between guide cylinder 3 and the piston rod cap 4, avoid direct friction between guide cylinder 3 and the piston rod cap 4.Sliding each other up and down between guide cylinder 3 and the cylinder barrel 7 played leading role, forms guide mechanism of the present invention, and makes the present invention when receiving lateral forces, and inside is born the splined shaft 8 that turns to torque and not influenced by this lateral force with piston 5.Cylinder barrel guider seal ring 14 prevents that leakage of oil from bleeding in the space that guide cylinders 3 and piston 5 form above the cylinder barrel guider 6.Be connected through screw thread between cylinder barrel guider 6 and the cylinder barrel 7, itself and piston 5 be motion each other up and down, plays leading role.Guide cylinder 3 is provided with leakage of oil outlet a, and cylinder barrel 7 is provided with leakage of oil outlet b.Splined shaft 8 one ends link to each other with piston 5 through spline; The other end links to each other with cylinder barrel bottom 9 through spline, simultaneously, adopts jump ring that itself and limiting stopper 10 are fixed; Limiting stopper 10 fixes through another jump ring and cylinder barrel bottom 9, guarantees that splined shaft 8 and cylinder barrel bottom 9 mutual alignments do not change.Through the sealing between splined shaft seal ring 12 assurance splined shafts 8 and the cylinder barrel bottom 9.Guide cylinder 3 is connected with vehicle frame (vehicle body) mutually, and cylinder barrel bottom 9 links to each other with wheel, turns to push rod 2 to promote piston rod cap 4, drives piston 5, splined shaft 8 and cylinder barrel bottom 9 and rotates, thereby realize turning to of wheel.
Shown in accompanying drawing 2: adopt thrust-bearing 15 between guide cylinder 3 and the piston rod cap 4, the resistance of rotation is littler.
Shown in accompanying drawing 3: the torque that turns to that passes to tire is produced by other executive component 2 (like oil hydraulic motor, actuating motor etc.), uses more flexible.
Shown in accompanying drawing 4: for utilizing the suspension system of the present invention, but form by steering oil air spring A1, vehicle frame (vehicle body) A2, bi-bit bi-pass selector valve A3, variable damper valve A4, gas-filled type accumulator A5, electric oil pump A6, oil sources A7 and wheel A8 as constituent element.But steering oil air spring A1, variable damper valve A4 and gas-filled type accumulator A5 constitute typical complete hydro-pneumatic spring.
Through the on off state of control bi-bit bi-pass selector valve A3, realize that the rigidity of suspension is switched with flexible; Variable damper valve A4 realizes the damping characteristic of suspension; The elasticity of nitrogen realizes the stiffness characteristics of suspension among the gas-filled type accumulator A5; But the guide movement of suspension is guaranteed by steering oil air spring A1.
But the guide cylinder 3 (like Fig. 1) of steering oil air spring A1 is connected with vehicle frame (vehicle body) A2 mutually, and wheel A8 links to each other with cylinder barrel bottom 9 (like Fig. 1).When wheel A8 when vehicle frame (vehicle body) A2 need rotate, promote steering arm 2 (like Fig. 1) or move other executive component 2 (like oil hydraulic motor, actuating motor etc.) (like Fig. 3) to realize the rotation of wheel A8; Guide structure along steering oil air spring A1 during the relative vehicle frame of wheel A8 (vehicle body) A2 bob carries out; During the relative vehicle frame of wheel A8 (vehicle body) A2 bob; Steering arm 2 (like Fig. 1) or other executive component 2 (like oil hydraulic motor, actuating motor etc.) (like Fig. 3) are static relatively with vehicle frame (vehicle body) A2; Avoid the generation of movement interference, eliminate turn to be and suspension between interfere the additional steering angle that causes.
Claims (4)
1. but steering oil air spring; It is characterized in that: this hydro-pneumatic spring comprises oil-feed interface (1), steering arm (2), guide cylinder (3), piston rod cap (4), piston (5) cylinder barrel guider (6), cylinder barrel (7), splined shaft (8), cylinder barrel bottom (9) and limiting stopper (10); Described oil-feed interface (1) is arranged on the upper end of piston rod cap (4); Steering arm (2) is connected on the piston rod cap (4) through spline; Piston rod cap (4) welding is connected in the upper end of piston (5); Splined shaft (8) is connected with piston (5) through spline, is connected with cylinder barrel bottom (9) through spline simultaneously, and the cylinder barrel (7) that has cylinder barrel guider (6) and cylinder barrel bottom (9) are through being connected; The guide cylinder (3) that has connecting base (16) is formed guide mechanism with the cylinder barrel (7) that has cylinder barrel guider (6); The guide cylinder (3) that has connecting base (16) is connected with vehicle frame (A2) mutually, and the bob of wheel (A8) does not have interference to the motion of steering arm (2), and cylinder barrel bottom (9) links to each other with wheel (A8); The torque that steering arm (2) produces passes to cylinder barrel bottom (9) through piston rod cap (4), piston (5) and splined shaft (8), thereby realizes turning to of wheel (A8).
2. but a kind of steering oil air spring according to claim 1; It is characterized in that: form a cavity (A) between described piston rod cap (4), piston (5) and the splined shaft (8); Form another cavity (B) between piston (5), splined shaft (8) and the cylinder barrel (7), cavity (A) communicates through a plurality of oilholes (c) that are located at piston (5) head with cavity (B) and forms airtight oil pocket.
3. but a kind of steering oil air spring according to claim 1 is characterized in that: described steering arm (2) also can adopt oil hydraulic motor or actuating motor.
4. but a kind of steering oil air spring according to claim 1 is characterized in that: can adopt wear-resistant gasket or thrust-bearing to realize the anti-attrition function between described piston rod cap (4) and the guide cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204348735U CN202326883U (en) | 2011-11-07 | 2011-11-07 | Steering hydro-pneumatic spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204348735U CN202326883U (en) | 2011-11-07 | 2011-11-07 | Steering hydro-pneumatic spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202326883U true CN202326883U (en) | 2012-07-11 |
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ID=46438863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204348735U Expired - Lifetime CN202326883U (en) | 2011-11-07 | 2011-11-07 | Steering hydro-pneumatic spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202326883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089887A (en) * | 2011-11-07 | 2013-05-08 | 长春孔辉汽车科技有限公司 | Steerable hydro-pneumatic spring |
-
2011
- 2011-11-07 CN CN2011204348735U patent/CN202326883U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089887A (en) * | 2011-11-07 | 2013-05-08 | 长春孔辉汽车科技有限公司 | Steerable hydro-pneumatic spring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Steerable hydro-pneumatic spring Effective date of registration: 20121105 Granted publication date: 20120711 Pledgee: Chengdu economic and Technological Development Zone Construction and Development Co.,Ltd. Pledgor: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) Co.,Ltd. Registration number: 2012990000670 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGCHUN KONGHUI AUTOMATIVE TECHNOLOGY CO., LTD. Free format text: FORMER NAME: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 130012 Jilin province Changchun Chaoda high tech Industrial Development Zone, Road No. 5177 Patentee after: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) CO.,LTD. Address before: 130012 Jilin province Changchun Chaoda high tech Industrial Development Zone, Road No. 5177 Patentee before: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230719 Granted publication date: 20120711 Pledgee: Chengdu Economic Development Industry Investment Group Co.,Ltd. Pledgor: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) CO.,LTD. Registration number: 2012990000670 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20230717 Registration number: 2012990000670 Pledgee after: Chengdu Economic Development Industry Investment Group Co.,Ltd. Pledgee before: Chengdu economic and Technological Development Zone Construction and Development Co.,Ltd. Change date: 20230717 Registration number: 2012990000670 Pledgor after: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) CO.,LTD. Pledgor before: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) Co.,Ltd. |
|
| PM01 | Change of the registration of the contract for pledge of patent right |